Meet comet C/2025 F2 (SWAN): a celestial body glowing green as it swings around the sun, currently visible in the early morning hours with backyard gear, such as small telescopes or binoculars.

NEW YORK -- A newly discovered green comet tracked by telescopes has likely broken apart as it swung by the sun, dashing hopes of a naked-eye spectacle.

In late March, three amateur astronomers discovered Comet C/2025 F2 (SWAN). Immediately, predictions began appearing online stating the brightness this object might reach. But, as comet discoverer ...